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522036972 = 223214501027
BaseRepresentation
bin11111000111011…
…010011011101100
31100101022020002200
4133013122123230
52032120140342
6123445021500
715636145452
oct3707323354
91311266080
10522036972
11248749116
121269b4890
13841cc722
144d4909d2
1530c6c94c
hex1f1da6ec

522036972 has 18 divisors (see below), whose sum is σ = 1319593548. Its totient is φ = 174012312.

The previous prime is 522036971. The next prime is 522036997. The reversal of 522036972 is 279630225.

522036972 is a `hidden beast` number, since 5 + 220 + 369 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14501027 = 522036972 / (5 + 2 + 2 + 0 + 3 + 6 + 9 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (522036971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7250478 + ... + 7250549.

Almost surely, 2522036972 is an apocalyptic number.

It is an amenable number.

522036972 is an abundant number, since it is smaller than the sum of its proper divisors (797556576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522036972 is a wasteful number, since it uses less digits than its factorization.

522036972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14501037 (or 14501032 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 522036972 is about 22848.1284135047. The cubic root of 522036972 is about 805.1937972001.

The spelling of 522036972 in words is "five hundred twenty-two million, thirty-six thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 14501027 29002054 43503081 58004108 87006162 130509243 174012324 261018486 522036972